Question

State whether each number below is greater than 1 or less than 1

a) 9.3 multiplied by 10 raise to power 4
b) 3.4 multiplied by 10 raised to power -5
c) 7.9 multiplied by 10 raised to power -7

Answer 1

c

Explanation:

7.9 multiplied by 10 raised to power 7

Answer 2

• See below

Explanation:

a) 9.3 multiplied by 10 raise to power 4

• 9.3 × 10⁴ = 93000 > 1

b) 3.4 multiplied by 10 raised to power -5

• 3.4 × 10⁻⁵ = 0.00034 < 1

c) 7.9 multiplied by 10 raised to power -7

• 7.9 × 10⁻⁷ = 0.0000079 < 1